From d2af3f0a606a1c78b87f5c84c15baa6517ba1307 Mon Sep 17 00:00:00 2001
From: hissssst <csqcsqcsq@yandex.ru>
Date: Sat, 16 Nov 2024 21:00:07 +0100
Subject: [PATCH] Deprecates Poolex.get_state in favor of :sys.get_state

---
 lib/poolex.ex        | 29 ++++++-----------------------
 test/poolex_test.exs |  8 ++++----
 2 files changed, 10 insertions(+), 27 deletions(-)

diff --git a/lib/poolex.ex b/lib/poolex.ex
index d8b9f39..6ef99b0 100644
--- a/lib/poolex.ex
+++ b/lib/poolex.ex
@@ -95,7 +95,7 @@ defmodule Poolex do
   ## Examples
 
       iex> Poolex.start(pool_id: :my_pool, worker_module: Agent, worker_args: [fn -> 0 end], workers_count: 5)
-      iex> %Poolex.Private.State{worker_module: worker_module} = Poolex.get_state(:my_pool)
+      iex> %Poolex.Private.State{worker_module: worker_module} = :sys.get_state(:my_pool)
       iex> worker_module
       Agent
   """
@@ -119,7 +119,7 @@ defmodule Poolex do
   ## Examples
 
       iex> Poolex.start_link(pool_id: :other_pool, worker_module: Agent, worker_args: [fn -> 0 end], workers_count: 5)
-      iex> %Poolex.Private.State{worker_module: worker_module} = Poolex.get_state(:other_pool)
+      iex> %Poolex.Private.State{worker_module: worker_module} = :sys.get_state(:other_pool)
       iex> worker_module
       Agent
   """
@@ -204,23 +204,10 @@ defmodule Poolex do
     end
   end
 
-  @doc """
-  Returns current state of started pool.
-
-  Primarily needed to help with debugging. **Avoid using this function in production.**
-
-  ## Examples
-
-      iex> Poolex.start(pool_id: :my_pool_2, worker_module: Agent, worker_args: [fn -> 0 end], workers_count: 5)
-      iex> state = %Poolex.Private.State{} = Poolex.get_state(:my_pool_2)
-      iex> state.worker_module
-      Agent
-      iex> is_pid(state.supervisor)
-      true
-  """
-  @spec get_state(pool_id()) :: State.t()
-  def get_state(pool_id) do
-    GenServer.call(pool_id, :get_state)
+  @deprecated "Use :sys.get_state/1 instead"
+  @doc false
+  def get_state(name) do
+    :sys.get_state(name)
   end
 
   @doc """
@@ -387,10 +374,6 @@ defmodule Poolex do
     end
   end
 
-  def handle_call(:get_state, _from, state) do
-    {:reply, state, state}
-  end
-
   def handle_call(:get_debug_info, _from, %State{} = state) do
     debug_info = %DebugInfo{
       busy_workers_count: BusyWorkers.count(state),
diff --git a/test/poolex_test.exs b/test/poolex_test.exs
index 3990178..46cff6b 100644
--- a/test/poolex_test.exs
+++ b/test/poolex_test.exs
@@ -537,7 +537,7 @@ defmodule PoolexTest do
       pool_name = start_pool(worker_module: SomeWorker, workers_count: 1)
       pool_pid = Process.whereis(pool_name)
 
-      state = Poolex.get_state(pool_name)
+      state = :sys.get_state(pool_name)
 
       supervisor_pid = state.supervisor
       {:ok, worker_pid} = Poolex.run(pool_name, fn pid -> pid end)
@@ -559,7 +559,7 @@ defmodule PoolexTest do
       pool_name = start_pool(worker_module: SomeWorker, workers_count: 1)
       pool_pid = Process.whereis(pool_name)
 
-      state = Poolex.get_state(pool_name)
+      state = :sys.get_state(pool_name)
 
       supervisor_pid = state.supervisor
       {:ok, worker_pid} = Poolex.run(pool_name, fn pid -> pid end)
@@ -660,7 +660,7 @@ defmodule PoolexTest do
          ]}
       )
 
-      state = Poolex.get_state({:global, :biba})
+      state = :sys.get_state({:global, :biba})
 
       assert state.pool_id == {:global, :biba}
 
@@ -673,7 +673,7 @@ defmodule PoolexTest do
 
       ExUnit.Callbacks.start_supervised({Poolex, [pool_id: name, worker_module: SomeWorker, workers_count: 5]})
 
-      state = Poolex.get_state(name)
+      state = :sys.get_state(name)
 
       assert state.pool_id == name